Back Office Services Brands
Corporate Performance Consulting (CPC) offers Executive Coaching, Training and Consulting Services. CPC has measurably improved the performance of thousands of Business Leaders in a wide-variety of industries throughout the United States.
Back Office Services merged CPC into operations in 2023
Connect University is an eLearning platform for small to medium sized businesses. Connect University offer generic and company specific training tools that reduce and simplify HR requirements, protect against liability, reduce employee turnover cost and improves employee moral.
Back Office Services merged Connect University into operations in 2024.
BKO Bookkeeping is a bookkeeping and accounting service provider. BKO Bookkeeping uses technology adn expertise to service its business customers.
Back Office Services built BKO Bookkeeping as a service offering for our sister brands customers in 2025.
Other Investments
Mamalakis Brothers Oil is the rebirth of our forefathers dreams. The brand holds over 150 years of history in the Valley of Messara Crete and in Olive Oil production.
The Founders stand resolute to the values that founded the company so many years ago: produce a premium Organic Olive Oil, in a traditional method in the region where we come from.
Deadline Defense is a veteran-owned suppressor and small-arms technology manufacturer headquartered in Moore County, North Carolina.
Founded by former U.S. Special Operations soldiers and defense industry professionals, the company develops next-generation suppressor systems designed to enhance hearing safety, reduce weapon signature, and deliver exceptional operational performance.
Continuum is an integrated platform company in the real estate services industry.
Continuum provides property management and select services including maintenance, plumbing, and commercial cleaning to homeowner association and condominium communities.
Real Estate Investments
30-14 31st Ave
Messara Valley Oil Vineyards
Messara Valley Oil Vineyards
Aitherios and its partners purchased 30-14 31st avenue in Astoria, NY. The building was gut renovated, reconfigured to yield two apartments and a doctors office on the ground floor.
The building is currently under ownership.
Messara Valley Oil Vineyards
Messara Valley Oil Vineyards
Messara Valley Oil Vineyards
Aitherios asset manages several farm plots in the valley of messara. These plots hold over 250 olive trees, and produce just over a ton of organic olive oil per year.
That olive oil in combination with other local growers produce the oil sold by Mamalakis Brothers Oil.
Messara Valley Oil Vineyards
Formerly Owned Companies
In 2015 Aitherios and its Investors purchased Simmons Management Group. The company was rebranded SIGMA Real Estate Services, and over the next five years returned an annualized rate of return of 12%. In 2019 SIGMA Merged into the Continuum Companies., and in 2020 was merged with two other local management companies in the region and rebranded as IKO Community Management. Continuum Companies was sold in 2022.
Aitherios Capital and its investors still retain a minority interest in the Continuum Companies.
In 2018 SIGMA Real Estate Services spun off a maintenance service provider in the Maryland region. In 2021 TOTAL was acquired by the Continuum Companies and merged with another services brand in the Maryland region. Continuum Companies was sold in 2022.
Aitherios Capital and its investors still retain a minority interest in the Continuum Companies.
Formerly owned Real Estate
8911 60th Ave
33 E. Springfield
33 E. Springfield
Aitherios and its partners purchased 8911 60th Avenue College Park, MD. The building was comprised of seven individual office condos. Aitherios reconfigured the space, increasing revenue by 20% in 2016.
In 2019 Aitherios sold the building earning an Average Annual Rate of Return of 31%.
33 E. Springfield
33 E. Springfield
33 E. Springfield
Aitherios and its partners acquired a single unit in a four unit multifamily building in Boston. Aitherios gained control of the board, pushed and completed a building wide interior renovation program. The unit was rented for two years to short term corporate renters.
In 2015 Aitherios sold the unit earning an Average Annual Rate of Return of 30%.
33 E. Springfield