Company · East Lothian

Catalyst Service Solutions

Catalyst Service Solutions is an IT services firm based in East Lothian, incorporated in Scotland in 2022 (SC730055).

What they do

“Payer-exclusive BPO, BPaaS, consulting and AI solutions for health plans, TPAs and dental plans. Lower admin costs and scale operations with CatalyZe™.”

In its own words, on catalystsolutions.com

In plain speak

They provide back-office services, consulting and artificial intelligence tools to health insurance plans, third-party administrators and dental plans to cut their administration costs.

Ayeoh Overview

Catalyst Service Solutions is an IT services firm based in East Lothian. (Companies House, ayeoh's record) It was incorporated in Scotland on 20 Apr 2022 as company SC730055. It was earlier called KEYSTONE SERVICES LTD. (Companies House) Its website says: “Payer-exclusive BPO, BPaaS, consulting and AI solutions for health plans, TPAs and dental plans. Lower admin costs and scale operations with CatalyZe™.” (catalystsolutions.com)

Companies House lists 2 active officers, among them Allan Alexander Buchan-Darroch (director, since Apr 2022) and Nicole Pyper (director, since Apr 2026). (Companies House, profile card) Its own website's latest post is “Catalyst Solutions Appoints Sas Mukherjee as Chief Executive Officer & President”, from 10 Feb 2026. (Latest from Catalyst Service Solutions, the post) Its latest filed accounts, for the year to 30 Apr 2026, show 1 employee on average. (Companies House, Financials)

Latest from Catalyst Service Solutions

Catalyst Solutions Appoints Sas Mukherjee as Chief Executive Officer & President

10 Feb 2026, from catalystsolutions.com, posted by the company

Catalyst Solutions Announces Successful Launch of P3 Implementation Across 4 States

25 Aug 2025, from catalystsolutions.com, posted by the company

Lisa Hettinger Joins Catalyst Solutions as Advisory Board Member

6 Mar 2025, from catalystsolutions.com, posted by the company

Catalyst Solutions Named Healthcare BPO of the Year by Healthcare Business Review for Third Consecutive Year

7 Jan 2025, from catalystsolutions.com, posted by the company

Catalyst presents Roadmap 2025 webinar for ACAP members

26 Nov 2024, from catalystsolutions.com, posted by the company

Financials

Net assets: £5,057 (30 Apr 2026), up 4% on £4,853 a year earlier
Employees: 1 on average (30 Apr 2026), unchanged on a year earlier (1)

Net assets at year ends 2024 to 2026

Next accounts due 31 Jan 2028.

From the accounts made up to 30 Apr 2026, micro-entity accounts, as tagged in the filing. Small companies file a balance sheet and often no turnover or profit. The filings at Companies House

Accounts, year by year

Year end	Net assets	Staff
30 Apr 2026	£5,057	1
30 Apr 2025	£4,853	1
30 Apr 2024	-£2,361	1

Only the figures each year's filed accounts tag; a blank is a figure the company did not file. The filings at Companies House

Timeline

30 Apr 2026accountsAccounts year end
30 Apr 2026directorNicole Pyper appointed Director
10 Feb 2026from the companyCatalyst Solutions Appoints Sas Mukherjee as Chief Executive Officer & President
25 Aug 2025from the companyCatalyst Solutions Announces Successful Launch of P3 Implementation Across 4 States
30 Apr 2025accountsAccounts year end
6 Mar 2025from the companyLisa Hettinger Joins Catalyst Solutions as Advisory Board Member
7 Jan 2025from the companyCatalyst Solutions Named Healthcare BPO of the Year by Healthcare Business Review for Third Consecutive Year
26 Nov 2024from the companyCatalyst presents Roadmap 2025 webinar for ACAP members
30 Apr 2024accountsAccounts year end
20 Apr 2022directorAllan Alexander Buchan-Darroch appointed Director
20 Apr 2022incorporatedCatalyst Service Solutions incorporated as SC730055

Register facts, funding, grants and the latest news, each linked or sourced. The data file holds the register facts, funding and grants only.

Use this data

Download everything ayeoh holds on Catalyst Service Solutions, free: CSV · JSON-LD. Every row carries its source and date.

Record completeness 72 of 100; not yet held: turnover, news coverage, funding rounds, grants.

Licence: free to read and cite with a link to ayeoh.io; bulk, API or commercial reuse needs an ayeoh licence. Cite as: ayeoh.io, “Catalyst Service Solutions”, ayeoh.io/c/catalyst-service-solutions, accessed 8 Nov 2026.

How it compares

Net assets £5,057: 2,065th of 4,216 software firms with filed accounts on ayeoh's record, largest first.
Employees 1 on average: joint 1,573rd of 4,480 software firms with filed accounts on ayeoh's record, largest first.
Incorporated 20 Apr 2022: joint 4,648th of 8,993 software firms, oldest first.
Net assets £5,057: 17th of 33 east-lothian software firms with filed accounts on ayeoh's record, largest first.
Employees 1 on average: joint 13th of 34 east-lothian software firms with filed accounts on ayeoh's record, largest first.
Incorporated 20 Apr 2022: 35th of 55 east-lothian software firms, oldest first.

Ranked by ayeoh from the accounts of every Scottish software firm whose filings it holds, as of 2026-11-08. Only figures the accounts tag; a rank, not a judgement.